/* ============================================
   PREMIUM CSS - COMPLETE
   BizKaam Academy Premium Design System
   ============================================ */

/* ============================================
   1. ROOT VARIABLES
   ============================================ */
:root {
    /* Colors */
    --gold-color: #e6c87a;
    --gold-light: #f0dca0;
    --gold-dark: #c4a85a;
    --primary-color: #2b7a3a;
    --primary-dark: #1a5a2a;
    --primary-light: #3a9a4e;
    --bg-color: #0d1f12;
    --bg-dark: #0a1a0e;
    --bg-card: rgba(13,31,18,0.3);
    --text-color: #ffffff;
    --text-dim: rgba(255,255,255,0.5);
    --text-dim2: rgba(255,255,255,0.35);
    --text-dim3: rgba(255,255,255,0.2);
    
    /* Effects */
    --border-radius: 20px;
    --border-radius-sm: 12px;
    --border-radius-xs: 8px;
    --border-radius-lg: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.15);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.2);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.4);
    --shadow-gold: 0 4px 30px rgba(230,200,122,0.12);
    --shadow-gold-hover: 0 8px 40px rgba(230,200,122,0.2);
    
    /* Glass Effect */
    --glass-bg: rgba(255,255,255,0.02);
    --glass-border: rgba(230,200,122,0.06);
    --glass-blur: blur(12px);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, sans-serif;
    
    /* Sizing */
    --topbar-height: 60px;
    --bottom-nav-height: 70px;
}

/* ============================================
   2. BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ============================================
   3. SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-dark);
}

/* ============================================
   4. PREMIUM CARDS
   ============================================ */
.premium-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(230,200,122,0.06);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.premium-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold-color);
    box-shadow: var(--shadow-gold-hover);
}

.premium-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.premium-card .card-title {
    color: var(--gold-color);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.premium-card .card-badge {
    background: rgba(230,200,122,0.12);
    color: var(--gold-color);
    font-size: 10px;
    padding: 3px 12px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(230,200,122,0.08);
}

.premium-card .card-body {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    line-height: 1.6;
}

.premium-card .card-footer {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(230,200,122,0.04);
}

/* Card Variants */
.premium-card.gold {
    border-color: rgba(230,200,122,0.15);
    background: linear-gradient(145deg, rgba(230,200,122,0.04), rgba(230,200,122,0.01));
}

.premium-card.gold .card-title {
    color: var(--gold-color);
}

.premium-card.dark {
    background: rgba(0,0,0,0.2);
}

/* ============================================
   5. PREMIUM STATS CARDS
   ============================================ */
.stats-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(230,200,122,0.06);
    border-radius: var(--border-radius-sm);
    padding: 16px 18px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-sm);
}

.stats-card:hover {
    border-color: var(--gold-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold-hover);
}

.stats-card .stats-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 6px;
}

.stats-card .stats-number {
    font-size: 26px;
    font-weight: 800;
    color: var(--gold-color);
    line-height: 1.2;
}

.stats-card .stats-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 4px;
    font-weight: 500;
}

.stats-card .stats-change {
    font-size: 11px;
    padding: 2px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 6px;
    font-weight: 600;
}

.stats-card .stats-change.up {
    background: rgba(46,204,113,0.12);
    color: #2ecc71;
    border: 1px solid rgba(46,204,113,0.15);
}

.stats-card .stats-change.down {
    background: rgba(231,76,60,0.12);
    color: #e74c3c;
    border: 1px solid rgba(231,76,60,0.15);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

/* ============================================
   6. PREMIUM HEADER
   ============================================ */
.premium-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border-radius: var(--border-radius);
    border: 1px solid rgba(230,200,122,0.08);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.premium-title {
    color: var(--gold-color);
    font-size: 28px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}

.premium-subtitle {
    color: var(--text-dim);
    font-size: 15px;
    margin: 4px 0 0 0;
    font-weight: 400;
}

.premium-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.premium-time {
    font-size: 13px;
    color: var(--text-dim2);
}

/* ============================================
   7. PREMIUM BUTTONS
   ============================================ */
.btn-premium {
    padding: 10px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-premium:active {
    transform: scale(0.97);
}

/* Gold Button */
.btn-premium.gold {
    background: linear-gradient(135deg, var(--gold-color), var(--gold-light));
    color: var(--bg-color);
    box-shadow: var(--shadow-gold);
}

.btn-premium.gold:hover {
    transform: scale(1.04);
    box-shadow: var(--shadow-gold-hover);
}

/* Primary Button */
.btn-premium.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(43,122,58,0.2);
}

.btn-premium.primary:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 30px rgba(43,122,58,0.3);
}

/* Outline Button */
.btn-premium.outline {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid rgba(230,200,122,0.15);
}

.btn-premium.outline:hover {
    border-color: var(--gold-color);
    color: #ffffff;
    background: rgba(230,200,122,0.05);
}

/* Danger Button */
.btn-premium.danger {
    background: rgba(231,76,60,0.12);
    color: #e74c3c;
    border: 1px solid rgba(231,76,60,0.15);
}

.btn-premium.danger:hover {
    background: rgba(231,76,60,0.2);
    transform: scale(1.04);
}

/* Small Button */
.btn-premium.sm {
    padding: 6px 14px;
    font-size: 11px;
    border-radius: var(--border-radius-xs);
}

/* Large Button */
.btn-premium.lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--border-radius);
}

/* Block Button */
.btn-premium.block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   8. PREMIUM SEARCH
   ============================================ */
.premium-search {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.premium-search .search-wrapper {
    flex: 1;
    min-width: 180px;
    position: relative;
}

.premium-search .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim3);
    font-size: 16px;
}

.premium-search input {
    width: 100%;
    padding: 12px 18px;
    padding-left: 44px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(230,200,122,0.08);
    background: rgba(255,255,255,0.02);
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.premium-search input:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 4px rgba(230,200,122,0.04);
}

.premium-search input::placeholder {
    color: var(--text-dim3);
}

.premium-search select {
    padding: 12px 18px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(230,200,122,0.08);
    background: rgba(255,255,255,0.02);
    color: #ffffff;
    font-size: 13px;
    min-width: 140px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e6c87a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    transition: all 0.3s ease;
}

.premium-search select:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 4px rgba(230,200,122,0.04);
}

.premium-search select option {
    background: var(--bg-color);
    color: #ffffff;
}

/* ============================================
   9. PREMIUM TABLE
   ============================================ */
.premium-table-wrapper {
    overflow-x: auto;
    background: rgba(255,255,255,0.02);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(230,200,122,0.06);
    padding: 4px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.premium-table thead th {
    text-align: left;
    padding: 14px 18px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid rgba(230,200,122,0.04);
}

.premium-table tbody td {
    padding: 14px 18px;
    color: rgba(255,255,255,0.8);
    border-bottom: 1px solid rgba(230,200,122,0.02);
}

.premium-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

.premium-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   10. PREMIUM MODAL
   ============================================ */
.premium-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.premium-modal-overlay.active {
    display: flex;
}

.premium-modal {
    background: rgba(13,31,18,0.98);
    border: 1px solid rgba(230,200,122,0.08);
    border-radius: var(--border-radius);
    padding: 28px;
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
    box-shadow: var(--shadow-xl);
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.premium-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.premium-modal .modal-header h3 {
    color: var(--gold-color);
    font-size: 20px;
    font-weight: 700;
}

.premium-modal .modal-close {
    background: none;
    border: none;
    color: var(--text-dim2);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.2s;
    padding: 0 4px;
}

.premium-modal .modal-close:hover {
    color: #ffffff;
}

.premium-modal .modal-body {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    line-height: 1.6;
}

.premium-modal .modal-footer {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* ============================================
   11. PREMIUM INPUTS
   ============================================ */
.premium-input-group {
    margin-bottom: 16px;
}

.premium-input-group label {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 500;
}

.premium-input-group .premium-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(230,200,122,0.08);
    background: rgba(255,255,255,0.02);
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.premium-input-group .premium-input:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 4px rgba(230,200,122,0.04);
}

.premium-input-group .premium-input::placeholder {
    color: var(--text-dim3);
}

.premium-input-group textarea.premium-input {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.premium-input-group select.premium-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e6c87a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.premium-input-group .input-hint {
    display: block;
    font-size: 12px;
    color: var(--text-dim3);
    margin-top: 4px;
}

/* ============================================
   12. PREMIUM BADGES
   ============================================ */
.premium-badge {
    padding: 3px 14px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    border: 1px solid transparent;
}

.premium-badge.gold {
    background: rgba(230,200,122,0.12);
    color: var(--gold-color);
    border-color: rgba(230,200,122,0.15);
}

.premium-badge.green {
    background: rgba(46,204,113,0.12);
    color: #2ecc71;
    border-color: rgba(46,204,113,0.15);
}

.premium-badge.red {
    background: rgba(231,76,60,0.12);
    color: #e74c3c;
    border-color: rgba(231,76,60,0.15);
}

.premium-badge.blue {
    background: rgba(52,152,219,0.12);
    color: #3498db;
    border-color: rgba(52,152,219,0.15);
}

.premium-badge.purple {
    background: rgba(155,89,182,0.12);
    color: #9b59b6;
    border-color: rgba(155,89,182,0.15);
}

.premium-badge.yellow {
    background: rgba(241,196,15,0.12);
    color: #f1c40f;
    border-color: rgba(241,196,15,0.15);
}

/* ============================================
   13. PREMIUM DIVIDER
   ============================================ */
.premium-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(230,200,122,0.1), transparent);
    margin: 16px 0;
}

/* ============================================
   14. PREMIUM EMPTY STATE
   ============================================ */
.premium-empty {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--border-radius);
    border: 2px dashed rgba(230,200,122,0.06);
}

.premium-empty .empty-icon {
    font-size: 64px;
    display: block;
    margin-bottom: 16px;
}

.premium-empty .empty-title {
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
}

.premium-empty .empty-text {
    color: var(--text-dim);
    font-size: 15px;
    margin-top: 6px;
}

/* ============================================
   15. PREMIUM ALERTS
   ============================================ */
.premium-alert {
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.premium-alert .alert-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.premium-alert .alert-content {
    flex: 1;
}

.premium-alert .alert-title {
    font-weight: 600;
    font-size: 14px;
}

.premium-alert .alert-message {
    font-size: 13px;
    margin-top: 2px;
}

/* Alert Variants */
.premium-alert.success {
    background: rgba(46,204,113,0.08);
    border: 1px solid rgba(46,204,113,0.12);
    color: #2ecc71;
}

.premium-alert.error {
    background: rgba(231,76,60,0.08);
    border: 1px solid rgba(231,76,60,0.12);
    color: #e74c3c;
}

.premium-alert.warning {
    background: rgba(241,196,15,0.08);
    border: 1px solid rgba(241,196,15,0.12);
    color: #f1c40f;
}

.premium-alert.info {
    background: rgba(52,152,219,0.08);
    border: 1px solid rgba(52,152,219,0.12);
    color: #3498db;
}

/* ============================================
   16. PREMIUM ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulseGold {
    0%, 100% {
        box-shadow: 0 0 20px rgba(230,200,122,0.1);
    }
    50% {
        box-shadow: 0 0 40px rgba(230,200,122,0.2);
    }
}

.premium-animate {
    animation: fadeInUp 0.5s ease forwards;
}

.premium-animate-delay-1 { animation-delay: 0.05s; }
.premium-animate-delay-2 { animation-delay: 0.10s; }
.premium-animate-delay-3 { animation-delay: 0.15s; }
.premium-animate-delay-4 { animation-delay: 0.20s; }
.premium-animate-delay-5 { animation-delay: 0.25s; }
.premium-animate-delay-6 { animation-delay: 0.30s; }

/* ============================================
   17. PREMIUM TOOLTIP
   ============================================ */
.premium-tooltip {
    position: relative;
    display: inline-block;
}

.premium-tooltip .tooltip-text {
    visibility: hidden;
    background: var(--bg-color);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: var(--border-radius-xs);
    border: 1px solid rgba(230,200,122,0.08);
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    font-size: 12px;
    opacity: 0;
    transition: all 0.3s ease;
}

.premium-tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(230,200,122,0.08);
}

.premium-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* ============================================
   18. PREMIUM RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .premium-title {
        font-size: 22px;
    }
    
    .premium-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 14px 16px;
    }
    
    .premium-header-actions {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .stats-card .stats-number {
        font-size: 20px;
    }
    
    .premium-search {
        flex-direction: column;
    }
    
    .premium-search .search-wrapper {
        min-width: auto;
    }
    
    .premium-search select {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .premium-title {
        font-size: 18px;
    }
    
    .premium-card {
        padding: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    
    .stats-card {
        padding: 12px;
    }
    
    .stats-card .stats-number {
        font-size: 18px;
    }
    
    .premium-modal {
        padding: 16px;
        margin: 10px;
    }
    
    .premium-table thead th {
        padding: 10px 12px;
        font-size: 10px;
    }
    
    .premium-table tbody td {
        padding: 10px 12px;
        font-size: 13px;
    }
}

/* ============================================
   19. SELECTION
   ============================================ */
::selection {
    background: var(--gold-color);
    color: var(--bg-color);
}

::-moz-selection {
    background: var(--gold-color);
    color: var(--bg-color);
}